Nepean Bay Weather Forecast

    • 12
    • 23

    Partly cloudy

    • 13
    • 25

    Showers

    • 16
    • 27

    Partly cloudy

    • 13
    • 22

    Partly cloudy

    • 11
    • 24

    Shower or two

    • 16
    • 25

    Showers

    • 11
    • 18

    Shower or two

Today 4 Apr Kangaroo Island

Partly cloudy. Winds easterly 20 to 30 km/h. Daytime maximum temperatures in the low 20s.

Investigator Strait Coastal Waters

Wind
Easterly 15 to 20 knots.
Seas
1 to 2 metres, decreasing below 1.5 metres around midday.
1st Swell
West to southwesterly below 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage.
Weather
Partly cloudy.
Weather Situation
A high pressure system southeast of the Bight will continue to move southeastwards to be centred southeast of Tasmania by Sunday allowing a trough over WA to link to a weak front south of the Bight moving over western and southern parts of SA later Sunday into Monday. Another high pressure system is expected to follow early next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

April Temperature

Kingscote Airport (7km)

  • Lowest 2 April, 2026

    7.4 °C

  • Average April

    16.5 °C

  • Highest 1 April, 2026

    25 °C

Climate (2021–Present)

Kingscote Airport (7km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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